| | Bristol County | MA | 25005 | | Providence-Warwick, RI-MA 39300 | Boston-Worcester-Providence,
MA-RI-NH-CT 148 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=BristolCounty+MA |
| | Hampden County | MA | 25013 | | Springfield, MA 44140 | Springfield-Amherst
Town-Northampton, MA 521 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=HampdenCounty+MA |
| | Dukes County | MA | 25007 | | Vineyard Haven, MA 47240 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=DukesCounty+MA |
| | Worcester County | MA | 25027 | | Worcester, MA 49340 | Boston-Worcester-Providence,
MA-RI-NH-CT 148 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WorcesterCounty+MA |